UNT Libraries Government Documents Department - 17 Matching Results

Search Results

Results: 1 - 17

Plate Retaining Device

Description: Patent for a license plate holder for automobiles.
Date: April 13, 1915
Creator: Stafford, Frederick

Broom or Brush

Description: Patent for metal brooms or brushes that are "strong and durable, relatively light in weight, and can be inexpensively manufactured" (line 13-15). It is intended for "sweeping snow, mud, slush, and the like" (line 16-17). The patent can also be applied for smaller version of metal brooms or brushes for other purposes.
Date: March 16, 1915
Creator: Airhart, Noah S.

Bucket Excavator.

Description: Patent for "new and useful Improvement in Bucket Excavators, of which the following is a specification. My invention relates to excavators of that kind in which a bucked is arranged to travel back and forth upon a runway which is lowered into the ground and which is adapted to determine the cross sectional outline of the ditch or excavation" (lines 5-13).
Date: November 30, 1915
Creator: Bettis, William I.

Automobile Road-Light.

Description: Patent for an automobile road-light improvement that causes the lights of a moving vehicle to move in conformity of the vehicle itself. The device is readily attachable to automobiles of standard type.
Date: February 25, 1919
Creator: Tausch, Joseph H.

Activated-Sludge Treatment.

Description: Patent for a method that dehydrates sewage for easier removal.
Date: January 29, 1918
Creator: Moor, William C.

COUPLING PATENT

Description: This patent is for a new coupling system to connect hollow pipes. It is specifically designed to address issues of vibration, which cause the coupling pin to become damaged.
Date: July 10, 1919
Creator: Hiegel, Joseph L.

Boiler-Skimmer.

Description: Patent for a boiler-skimmer that improves the hinge joint so that water or scum will have free access there and in all positions of the skimmer.
Date: October 14, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.

Boiler Skimmer or Cleaner

Description: Patent for improvements for a boiler skimmer or cleaner with suitable valves to control the blowing off from scum, steam or water.
Date: September 9, 1919
Creator: Phillips, Eugene N. & Dick, Harvey H.

Writing-Machine.

Description: Patent for writing-machine mechanism which prolongs the life of the ribbon and provides "means to rotate the platen step by step at each actuation of one or more of the keys" (line 20).
Date: April 24, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.

Keyboard for Writing Machines.

Description: Patent for improved keyboards for writing machines "having its keys so arranged that the fingers of the operator may rest upon the keyboard in an easy and natural manner, the keys being so disposed with relation to each other that the fingers of the operator may reach all of them with the least possible strain or exertion" (lines 16-22). This improvement allows the operator to work at maximum speed and efficiency.
Date: April 17, 1917
Creator: Edwards, Alrah B. & Russell, Frank K.

Stove and Range.

Description: Patent for a compact combination range or stove with "a cabinet for culinary utensils" (lines 12-13). "Compartments are substantially thermally independent of each other" (lines 17-18), due to flue arrangement, reticulated baffle plate and a two-way self locking damper.
Date: July 4, 1916
Creator: Holloway Louis Richard

Headlight-Shade.

Description: Patent for a headlight shade which can be pulled down to block the high beam headlights of a train or car when there is an oncoming train or car.
Date: July 18, 1911
Creator: Green, John R.

Nutcracker

Description: Patent for a nutcracker that can be used for a variety of types of nuts without crushing them.
Date: September 10, 1912
Creator: Moser, Frank W.

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.

Draft Device for Wheeled Gang Plows

Description: Patent for a draft device for wheeled gang plows. This invention is and improvement to equalize draft devices for motor drawn gang plows to avoid pulling the plow out of the straight line of draft. Illustration included.
Date: October 29, 1912
Creator: Weiler, Nicholas

Frame for Jaw Crushers

Description: Patent for "new and useful Improvements in frames for Jaw-Crushers (lines 8-9) including illustrations.
Date: March 25, 1919
Creator: Easton, William B. & Cole, David
Back to Top of Screen